Wednesday, October 29, 2014
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
DAILY DISCUSSION AND CLIMATE SUMMARY
WEDNESDAY, OCTOBER 29, 2014
ALL TIMES ARE IN EASTERN STANDARD TIME
FOG AND POOR VISIBILITY MOVE IN ALONG WITH
NEAR RECORD WARMTH
Downtown Boston, only 10 miles to the north, was only
somewhat visible during this morning’s 7:00 AM EST observation.
Fog, increased humidity and a southerly flow kept
conditions unseasonably warm last night with an overnight
low of 55F, compared with today’s norm of 39F.
Today’s daily record maximum of 74F, set in 1989, may
be at risk. A maximum of 73F was recorded at the 1:00 PM EST
observation, just one degree from tying the record.
Small cumulus were beginning to form during the observation
as well, which may reduce solar radiation.
Today’s Observations:
7 A.M.
Weather: Broken altostratus, broken cirrostratus
Temperature: 59F; Dew Point: 58F; Wind: SSW at 12 kts,
Sea-level pressure: 29.88 ins. Hg, falling, then more slowly
Visibility: 10 miles, fog in all directions
6-hr max temp: 59F
6-hr min temp: 55F
24-hr precip: 0.00
BHO SA 1155 E180 BKN 250 BKN 10 120/59/58/2012/988/
FOG ALQDS/ 8/016 55002 10059 20055
10 A.M.
Weather: Broken altostratus, thin overcast of cirrostratus,
breaks in overcast distant W, sun dimly visible
Temperature: 66F; Dew Point: 60F; Wind: SSW at 9 kts,
Sea-level pressure: 29.85 ins. Hg, falling, then more quickly
Visibility: 15 miles, fog in all directions
BHO SA 1455 E200 BKN 250 -OVC 15 109/66/60/2009/985/
VSBY N 12 MI FOG ALQDS BINOVC DSNT W SUN DMLY VSBL/ 8/016 58011
1 P.M.
Weather: Broken altostratus, thin overcast of cirrostratus,
thin spots in the overcast in all directions, few small
cumulus in all directions
Temperature: 73F; Dew Point: 60F; Wind: SSW at 8 kts,
Sea-level pressure: 29.80 ins. Hg, falling, then more quickly
Visibility: 20 miles, hazy
6-hr max temp: 73F
6-hr min temp: 59F
6-hr precip: 0.00
BHO SA 1755 E200 BKN 250 -OVC 20 091/73/60/2008/980/
FEW SML CU ALQDS HAZY THN SPTS INOVC ALQDS/ 8/117 58018
10073 20059
WEATHER SUMMARY FOR TUESDAY, OCTOBER 28, 2014
TEMPERATURE (DEGREES F)
MAX…..70 NORMAL…..56
MIN…..46 NORMAL…..39
MEAN….58 NORMAL…..48
DEPARTURE FROM 30-YEAR NORMAL……………………+10
TOTAL DEPARTURE FOR THE MONTH……………………+84 [+2.8 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY……………7 DEPARTURE……….-10
TOTAL HEATING UNITS FOR THE MONTH………….284 DEPARTURE……….-83
TOTAL HEATING UNITS FOR THE SEASON…………385 DEPARTURE………-124
TOTAL HEATING UNITS LAST SEASON TO DATE…….419 DIFFERENCE………-34
PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………23 S AT 12:13 P.M.*
ASOS…………………..24 S AT 12:09 P.M.
DAVIS………………….23 S AT 12:15 P.M. RMY 24
FASTEST MILE FOR YESTERDAY………………..17 S AT 12:10 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………..18 S AT 12:11 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE…………….17 S AT 12:12 P.M.
AVERAGE WIND SPEED AND DIRECTION………….9.0 S
ASOS………………….9.2
DAVIS…………………8.0 S (281 degrees)
* Last of several occurrences
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE……..-0.16
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….9.86 DEPARTURE……..+5.64
ASOS…………..9.99
TOTAL PRECIPITATION FOR THE YEAR……….41.45 DEPARTURE……..-1.85
ASOS………….41.79
PRELIMINARY CLIMATE SUMMARY FOR OCTOBER CALENDAR DAY DATA
DATA REPORTED:
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY GUST
RMY: R.M. Young wind gust recording system
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
10/1 56/55/56/-1/1.63/000/00 33 NE RMY 36
10/2 55/47/51/-6/0.29/000/00 30 NE RMY N/A
10/3 54/46/50/-6/0.05/000/00 20 NE RMY 20
10/4 63/52/58/+2/0.30/000/00 30 SE RMY 32
10/5 60/45/53/-3/0.00/658/95 26 W RMY 28
10/6 66/42/54/-1/0.00/669/97 25 SSE RMY N/A
10/7 72/54/63/+8/0.01/281/38 43 S RMY 49
10/8 72/53/63/+9/0.01/562/82 40 S RMY N/A
10/9 64/48/56/+2/0.00/648/95 35 W RMY 39
10/10 63/43/53/-1/0.00/489/72 23 W RMY N/A
10/11 50/43/47/-6/0.35/000/00 15 N RMY N/A
10/12 60/40/50/-3/0.00/681/100 20 NW RMY N/A
10/13 61/45/53/+0/0.00/054/08 23 S RMY 25
10/14 75/58/67/+15/0.00/448/67 29 S RMY 31
10/15 79/62/71/+18/0.02/…/.. 32 SSW RMY 36
10/16 70/60/65/+14/0.60/000/00 37 S RMY 41
10/17 71/57/64/+13/0.00/…/.. 28 SW RMY 30
10/18 71/52/62/+11/0.24/…/.. 28 WNW RMY 30 TSTM
10/19 55/39/47/-3/0.00/…/.. 28 NW RMY 29
10/20 56/33/45/-5/0.00/…/.. 23 SW RMY 25
10/21 61/49/55/+5/0.16/…/.. 17 NNE RMY N/A
10/22 54/48/51/+2/2.38/000/00 58 NE RMY 58 TSTM
10/23 53/47/50/+1/3.66/000/00 43 N RMY N/A
10/24 52/43/48/-1/0.16/000/00 25 NNW RMY N/A
10/25 63/41/52/+3/0.00/…/.. 21 WSW RMY N/A
10/26 57/43/50/+2/T/…/.. 37 W RMY 39
10/27 61/42/52/+4/0.00/…/.. 26 WNW RMY 31
10/28 70/46/58/+10/0.00/…/.. 23 S RMY 24
10/29 morning low temp: 55F since midnight; normal low now 39F
DAILY RECORDS FOR OCTOBER 2014:
10/1 – A NEW RECORD DAILY PRECIPITATION OF 1.63 INCHES;
surpasses the previous record of 1.44 ins. in 1984
10/22 – A NEW RECORD DAILY PRECIPITATION OF 2.38 INCHES;
surpasses the previous record of 1.37 ins. in 1898
10/23 – A NEW RECORD DAILY PRECIPITATION OF 3.66 INCHES;
surpasses the previous record of 2.18 ins. in 1956
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):
RECORDS FOR OCTOBER 29
HIGH 74F IN 1989
LOW 23F IN 1891
PRECIP 2.42 INCHES IN 2012
SNOWFALL 4.0 INCHES IN 2011
PEAK GUST 76 E IN 2012
RECORDS FOR OCTOBER 30
HIGH 75F IN 1946,1989
LOW 21F IN 1928
PRECIP 1.85 INCHES IN 1917
SNOWFALL 2.0 INCHES IN 2011
PEAK GUST 66 NW IN 1963
TODAY’S REPORT PREPARED BY: Brian Fitzgerald
